3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<!DOCTYPE html> <html> <body> <?php $x=5; $y=10; function practiceTest() { global $x,$y; $y=$x+$y; } practiceTest(); // run function echo $y; // output the new value for variable $y ?> </body> </html>
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
<!DOCTYPE html> <html> <body> 15 </body> </html>
Output for hhvm-3.10.0

Process exited with code 153.